Description:

Fitment: for BMW X3 2004-2006, for BMW 530i 2001-2005, for BMW 328i 1999-2000, for BMW Z3 1999-2002, for BMW 330xi 2001-2005, for BMW 325Ci 2001-2006, for BMW 325xi 2001-2005, for BMW 525i 2001-2005, for BMW 325i 2001-2005, for BMW 330Ci 2001-2006, for BMW 330i 2001-2005, for BMW Z4 2003-2005, for BMW X5 2001-2006, for BMW 528i 1999-2000, for BMW 323i 1999-2000, for BMW 323Ci 2000, for BMW 328Ci 2000.. OE Number:11537509227/11531437040/11531436823/11530139877.. and never used, directly replaces the old one and easy installation.. Good Replacement: The engine's thermostat regulates the temperature of the engine by controlling coolant flow. A bad or failing thermostat: high temperature reading and engine overheating, low temperature reading and underheated engine, temperature changing erratically, coolant leaks around thermostat housing or under the vehicle. How to fine thermostat: You can find your car's thermostat by starting at the upper radiator hose and following it to where it enters the top of the engine.. Package Included: 1 Pcs Engine Coolant Thermostat Housing Assembly..